Research Article
Enhanced Multiset Consensus Protocol Based on PBFT for Logistics Information Traceability
Table 2
Comparison of four consensus algorithms.
| Consensus algorithm | POW | POS | DPOS | PBFT |
| Degree of centralization | Decentralization | Decentralization | Partially decentralized | Partially decentralized | Whether to resist Byzantine nodes | Y | Y | Y | Y | Is permission required | N | N | N | Y | System scale (number of nodes) | Unlimited | Unlimited | Unlimited | Limited | Node dynamic changes | Support | Support | Support | No support | Applicable scene | Public chain | Public chain | Public chain | Alliance chain | Consistency | Weak consistency | Weak consistency | Weak consistency | Consistency |
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